Ninkasi Brewery is located in west Eugene, and The Horsehead is proud to be featuring four of their beers on draft; Total Domination India Pale Ale, Oatis Oatmeal Stout, Believer Double Red Ale, and their Seasonal Summer Ale, Radiant. For more information on Ninkasi Brewing go to http://www.ninkasibrewing.com

Widmer Brothers Brewery is located in Portand, Oregon and we feature their Hefewiezen wheat ale.  http://www.widmer.com

Horsehead serves Guiness Stout on tap.  Not a local, but sort of a standard. 
Also on tap are Pabts Blue Ribbon, Bud Light and Bud.